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不同采种地红豆树种子性状多样性分析(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2019年04期
Page:
63-69
Column:
研究论文
publishdate:
2019-07-24

Article Info:/Info

Title:
Analysis on the character diversity of Ormosia hosiei seeds from different producing regions
Article ID:
1000-2006(2019)04-0063-07
Author(s):
ZHAI Dacai1 FANG Zhen2 WU Jinfei1 YAO Qi3 BAI Xiaohui1 YANG Lichun1 HAO Qingqing1 ZHANG Yan1
(1. College of Life and Environment Science, HuangShan University, Huangshan 245041, China; 2. Zhawan Forest Industry and Mining Farm of Qimen County, Huangshan 245600, China; 3. Forestry Science and Technology Promotion Center of Shexian, Huangshan 245200, China)
Keywords:
Ormosia hosiei Hemsl. Et Wils seed characteristics cluster analysis comprehensive evaluation model
Classification number :
S722
DOI:
10. 3969/ j. issn. 1000-2006. 201901007
Document Code:
A
Abstract:
【Objective】 This study analyzed variation on the seed traits of Ormosia hosiei Hemsl. Et Wils. from different producing regions and their correlation with geographical factors to provide data to support seed experiments, the protection of genetic resources, and resource mining of quality germplasm. 【Method】 We collected seeds from 13 O. hosiei origin locations in five provinces including Fujian, Zhejiang, Hunan, Sichuan, and Anhui, to determine differences in characteristics such as longitudinal diameter, transverse diameter, single grain weight, and thickness. Statistics were used to reveal phenotypic variation in seeds from different producing regions and their correlation with geographical factors via single factor analysis, cluster analysis, correlation analysis, and principal component analysis. 【Result】 The phenotypic traits of O. hosiei seeds present abundant variation in characteristics(variability coefficients exceeded 10%). The volume index of variation was the largest, at about 25.39%. Furthermore, correlation analysis revealed that there were significant correlations among the six phenotypic traits, including longitudinal diameter, transverse diameter, single grain weight, thickness ratio of vertical to transverse diameter, and bulk index. Furthermore, these traits were significantly positively or negatively correlated with latitude or longitude. Cluster analysis showed that the seeds of 13 producing regions could be clustered into five groups, and each group presented significant differences in six phenotypic traits. 【Conclusion】 Based on the principal component analysis and construction of a comprehensive evaluation model, these results indicated that the top three seeds are from Sichuan Yaan, Fujian Shaxian, and Anhui Shexian Fuhe. These results provide a basis for the development and utilization of the seed resources of O. hosiei Hemsl. Et Wils.

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Last Update: 2019-07-22